Name Size Creator Creation Date Labels Comment  
PDF File 2976368.pdf 769 kB Shaun Ewing Mar 21, 1961 00:00
  • No labels
US-2976368-A // Incoming trunk circuit for in-dialing service // Gray Preston R. // Bell Telephone Labor Inc
PDF File 2976367.pdf 2.57 MB Shaun Ewing Mar 21, 1961 00:00
  • No labels
US-2976367-A // Two-stage line concentrator system // Bruce Edmond ; Reenstra Willard A. ; Ritchie Wesson J. // Bell Telephone Labor Inc
PDF File 2976366.pdf 525 kB Shaun Ewing Mar 21, 1961 00:00
  • No labels
US-2976366-A // Telephone station identification system // Terry Noah S. // Bell Telephone Labor Inc
PDF File 2976365.pdf 6.05 MB Shaun Ewing Mar 21, 1961 00:00
  • No labels
US-2976365-A // Automatic telephone traffic recorder employing magnetic tape // Jr. William R. Young, // Bell Telephone Labor Inc
PDF File 2975822.pdf 960 kB Shaun Ewing Mar 21, 1961 00:00
  • No labels
US-2975822-A // Machine for embedding beads in a sheet // Gent Edgar W. ; Werring Walter W. // Bell Telephone Labor Inc
PDF File 2975487.pdf 625 kB Shaun Ewing Mar 21, 1961 00:00
  • No labels
US-2975487-A // Molding of thermoplastic materials // Jr. George H. Williams, // Bell Telephone Labor Inc
PDF File 2975398.pdf 384 kB Shaun Ewing Mar 14, 1961 00:00
  • No labels
US-2975398-A // Hydrophone // Melhose Alfred E. // Bell Telephone Labor Inc
PDF File 2975301.pdf 584 kB Shaun Ewing Mar 14, 1961 00:00
  • No labels
US-2975301-A // Unidirectional signal translating device // Straube Harold M. // Bell Telephone Labor Inc
PDF File 2975237.pdf 905 kB Shaun Ewing Mar 14, 1961 00:00
  • No labels
US-2975237-A // Telephone conference circuit // Abbott Henry H. // Bell Telephone Labor Inc
PDF File 2974778.pdf 409 kB Shaun Ewing Mar 14, 1961 00:00
  • No labels
US-2974778-A // Low temperature drawing of metal wires // Ellis William C. ; Greiner Earl S. // Bell Telephone Labor Inc
PDF File 2974568.pdf 831 kB Shaun Ewing Mar 14, 1961 00:00
  • No labels
US-2974568-A // Light modulator // Jr. Joseph F. Dillon, // Bell Telephone Labor Inc
PDF File 2974281.pdf 1.14 MB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2974281-A // Selective signal recognition system // Feldman Carl B. H. // Bell Telephone Labor Inc
PDF File 2974252.pdf 1.40 MB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2974252-A // Low noise amplifier // Quate Calvin F. // Bell Telephone Labor Inc
PDF File 2974203.pdf 579 kB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2974203-A // Ceramic electromechanical transducers // Flaschen Steward S. ; Sauer Harold A. // Bell Telephone Labor Inc
PDF File 2974198.pdf 960 kB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2974198-A // Random signal generator // Mcleod Bruce A. // Bell Telephone Labor Inc
PDF File 2974195.pdf 1.37 MB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2974195-A // Economy in television transmission // Julesz Bela // Bell Telephone Labor Inc
PDF File 2974187.pdf 7.17 MB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2974187-A // Selective calling system // Barrett Edward E. ; Kolensky Leo M. ; Votaw Clarence J. // Bell Telephone Labor Inc
PDF File 2974075.pdf 334 kB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2974075-A // Treatment of semiconductive devices // Miller Lewis E. // Bell Telephone Labor Inc
PDF File 2973586.pdf 710 kB Shaun Ewing Mar 07, 1961 00:00
  • No labels
US-2973586-A // Device for instructing the public in the proper use of dial-equipped telephone station apparatus // Robertson Gordon I. // Bell Telephone Labor Inc
PDF File 2973441.pdf 710 kB Shaun Ewing Feb 28, 1961 00:00
  • No labels
US-2973441-A // Devices employing superconductive material // Courtney-Pratt Jeofry S. // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 77
  4. 78
  5. 79
  6. 80
  7. 81
  8. 82
  9. 83
  10. 84
  11. 85
  12. 86
  13. Next